mahlon/ruby-mdbx
1
0
Fork 0
Code Issues Pull requests Activity

Expose some mdbx statistics/metadata to ruby.

Browse source 
- Add anonymous structs for settings and state to the internal db
    instance struct.
  - Allow tweaking the max_readers setting on db open.
  - Allow altering database sizing/geometry values.
  - Start sketching out some transaction re-entrancy.
  - Refactor initialization slightly, just use the db struct
    instead of additional unnecessary vars.

FossilOrigin-Name: 513f02946f7dc39001c402c1adf0697bb2852ba867685b35adbccaaaf43c6e15
This commit is contained in:
Mahlon E. Smith 2020-12-23 01:10:19 +00:00
parent 770a931d77
commit ceb92fad16
4 changed files with 397 additions and 111 deletions
Download patch file Download diff file Expand all files Collapse all files

37
ext/mdbx_ext/mdbx_ext.h
View file

@ -7,6 +7,39 @@
#ifndef MDBX_EXT_0_9_2
#define MDBX_EXT_0_9_2
#define RMDBX_TXN_ROLLBACK 0
#define RMDBX_TXN_COMMIT 1
/*
* A struct encapsulating an instance's DB
* state and settings.
*/
struct rmdbx_db {
MDBX_env *env;
MDBX_dbi dbi;
MDBX_txn *txn;
MDBX_cursor *cursor;
struct {
int env_flags;
int mode;
int open;
int max_collections;
int max_readers;
uint64_t max_size;
} settings;
struct {
int open;
} state;
char *path;
char *subdb;
};
typedef struct rmdbx_db rmdbx_db_t;
static const rb_data_type_t rmdbx_db_data;
extern void rmdbx_free( void *db ); /* forward declaration for the allocator */
/* ------------------------------------------------------------
* Globals
@ -23,6 +56,10 @@ extern VALUE rmdbx_eRollback;
* ------------------------------------------------------------ */
extern void Init_rmdbx ( void );
extern void rmdbx_init_database ( void );
extern void rmdbx_open_txn( rmdbx_db_t*, int );
extern void rmdbx_close_txn( rmdbx_db_t*, int );
extern VALUE rmdbx_gather_stats( rmdbx_db_t* );
#endif /* define MDBX_EXT_0_9_2 */